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All results from a given calculation for C4H6OS (Dihydro-3-(2H)-thiophenone)

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-628.148680
Energy at 298.15K-628.156204
HF Energy-627.336884
Nuclear repulsion energy288.910853
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3206 3023 4.05      
2 A 3199 3017 0.29      
3 A 3183 3002 4.29      
4 A 3133 2954 18.40      
5 A 3121 2943 9.71      
6 A 3113 2936 3.38      
7 A 1802 1699 128.00      
8 A 1550 1462 2.87      
9 A 1510 1424 7.20      
10 A 1507 1422 10.56      
11 A 1351 1274 10.24      
12 A 1347 1270 12.81      
13 A 1277 1204 22.66      
14 A 1256 1184 4.98      
15 A 1199 1131 11.31      
16 A 1188 1120 42.57      
17 A 1143 1078 4.69      
18 A 1034 975 6.74      
19 A 1019 961 2.01      
20 A 913 861 6.61      
21 A 873 823 0.68      
22 A 819 773 0.79      
23 A 758 715 5.61      
24 A 717 677 0.68      
25 A 571 538 3.39      
26 A 496 468 4.10      
27 A 452 426 3.68      
28 A 433 408 5.10      
29 A 205 193 2.36      
30 A 68 64 10.76      

Unscaled Zero Point Vibrational Energy (zpe) 21221.4 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 20011.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2/6-31G*
ABC
0.18904 0.08232 0.06083

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.168 -0.085 -0.019
C2 -0.508 1.274 -0.214
H3 -1.111 2.043 0.277
H4 -0.504 1.481 -1.292
C5 0.913 1.181 0.314
H6 0.948 1.305 1.400
H7 1.583 1.910 -0.145
C8 -0.137 -1.205 0.162
S9 1.501 -0.492 -0.150
H10 -0.348 -2.011 -0.546
O11 -2.370 -0.281 0.008
H12 -0.226 -1.605 1.178

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 H6 H7 C8 S9 H10 O11 H12
C11.52292.14922.12462.45852.90203.40051.53312.70292.15841.21872.1515
C21.52291.09361.09731.51942.17422.18732.53512.67593.30532.43593.2101
H32.14921.09361.77352.20042.45872.73033.39343.66494.20632.65733.8605
H42.12461.09731.77352.16253.06322.41963.07653.03603.57412.87693.9621
C52.45851.51942.20042.16251.09341.09132.61211.83293.53823.60753.1314
H62.90202.17422.45873.06321.09341.77643.00252.43644.05733.93303.1460
H73.40052.18732.73032.41961.09131.77643.57222.40344.38914.52274.1686
C81.53312.53513.39343.07652.61213.00253.57221.81391.09242.42181.0951
S92.70292.67593.66493.03601.83292.43642.40341.81392.42573.88032.4459
H102.15843.30534.20633.57413.53824.05734.38911.09242.42572.71781.7745
O111.21872.43592.65732.87693.60753.93304.52272.42183.88032.71782.7787
H122.15153.21013.86053.96213.13143.14604.16861.09512.44591.77452.7787

picture of Dihydro-3-(2H)-thiophenone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H3 109.356 C1 C2 H4 107.237
C1 C2 C5 107.819 C1 C8 S9 107.419
C1 C8 H10 109.438 C1 C8 H12 108.751
C2 C1 C8 112.104 C2 C1 O11 125.002
C2 C5 H6 111.601 C2 C5 H7 112.795
C2 C5 S9 105.541 H3 C2 H4 108.089
H3 C2 C5 113.725 H4 C2 C5 110.421
C5 S9 C8 91.490 H6 C5 H7 108.802
H6 C5 S9 110.152 H7 C5 S9 107.839
C8 C1 O11 122.891 S9 C8 H10 110.689
S9 C8 H12 112.071 H10 C8 H12 108.430
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability